咸阳沙河古桥木材的研究

Identification of Old Woods on Ancient Shahe Bridge of Xianyang

对1985年11月在咸阳发掘的沙河古桥木材的32个样木鉴定的结果表明:一号桥(汉桥)主要由针叶材构成,所用木材为冷杉(Abies sp.)、铁杉(Tsuga sp.)、云杉(Piceasp.)和楠木(Phoebe sp.)。桥桩下冲积的木材有桑木(Morus sp.)、榆木(Ulmus sp.);二号桥(唐桥)主要由阔叶材构成,所用木材为楠木、栎木(Quercus sp.)、香椿(Toona sinensis),桥的横梁为云杉。

Identifies 32 samples collected from ancient bridge 1 built in Han Dynasty and bridge 2 built in Tang Dynasty. Bridge 1 were mainly constructed with softwood species identified as firs, hemlocks ( Tsuga sp. ), spruces ( Picea sp. ) and a few Phoebe sp. Beneath the foundation the base woods were mainly Chinese mulberry and elms. Bridge 2 were mainly constructed with hardwood species identified as Phoebe sp. oaks, and Chinese mahogany. The crossbar was identified as spruce.